10 multiple choice questions

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Week 6 – Homework 6
1. Using the following table, what would be the expected frequency (fe) for “Routine &
Pretty Happy”?
Is Life Exciting or Dull * General Happiness Crosstabulation
Count
Is Life Exciting or
Dull
Exciting
Routine
Dull
Total
a.
b.
c.
d.
General Happiness
Very
Pretty
Not Too
Happy
Happy
Happy
195
218
21
98
2
295
338
12
568
61
26
108
Total
434
497
40
971
151
290.7
23.4
55.3
2. Using the following table, what would be the expected frequency (fe) for “Dull & Not Too
Happy”?
Is Life Exciting or Dull * General Happiness Crosstabulation
Count
Is Life Exciting or
Dull
Total
a.
b.
c.
d.
Exciting
Routine
Dull
General Happiness
Very
Pretty
Not Too
Happy
Happy
Happy
195
218
21
98
338
61
2
12
26
295
568
108
4.45
12
23.4
63.4
1
Total
434
497
40
971
3. Calculate the ?2 for the following table.
Is Life Exciting or Dull * General Happiness Crosstabulation
Count
Is Life Exciting or
Dull
Total
a.
b.
c.
d.
Exciting
Routine
Dull
Very
Happy
195
98
2
295
General Happiness
Pretty
Not Too
Happy
Happy
218
21
338
61
12
26
568
108
Total
434
497
40
971
196.02
156.89
200
186.33
4. What would be your ?2 critical value for the above table and an a = 0.01?
a. 11.34
b. 13.28
c. 21.67
d. 15.09
5. Given the ?2 you found in the above table, would you reject or fail to reject the null
hypothesis?
a. Reject the null hypothesis
b. Fail to reject the null hypothesis
6. Say the table above has a ?2 of 200 (it doesn’t, so don’t think this is the answer to
question 3 ?). What would k be in a Cramer’s V calculation?
a. 1
b. 2
c. 3
2
7. Say the table above has a ?2 of 200 (it doesn’t, so don’t think this is the answer to
question 3 ?). What would Cramer’s V be?
a. 0.32
b. 0.25
c. 0.24
d. 0.35
8. Is the association between “Is life exciting or dull?” and “General happiness” strong,
moderate, or weak?
a. Weak
b. Moderate
c. Strong
9. The table below has a ?2 = 53.168. What is its Cramer’s V?
Race of Respondent * Region of the United States Crosstabulation
Count
Region of the United States
North East South East West
Total
Race ofRespondent White
582
307
375
1264
Black
82
94
28
204
Other
Total
a.
b.
c.
d.
15
679
14
415
20
423
49
1517
0.187
0.366
0.132
0.236
10. Is the association between “race of the respondent” and “region of the United States”
strong, moderate, or weak?
a. Weak
b. Moderate
c. Strong
3

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